Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Spot what is wrong here in below Picture?

What has to be broken before you can use it?

What is the next number in the series?

15 29 56 108 208 ?

Which is the rope you never skip with?

Replace the question mark in the picture below.

With the help clues provided in the image, can you find the 5 digit key?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?